Which of the following is a major environmental concern for the Great Lakes?
Topic: The Rivers and Waterways of the United States
Which river is a major contributor to pollution in Lake Erie?
Which Great Lake is experiencing the highest levels of invasive plant growth due to phosphorus pollution?
Which city is located on the shore of Lake Michigan?
Lake Michigan is connected to which other Great Lake?
Which of the following is not a major tributary of Lake Michigan?
What is the primary outlet for the Great Lakes?
Lake Superior is located primarily between which two countries?
Which state does NOT border Lake Superior?
Which invasive plant species threatens the ecosystems of the Mississippi River?
What is the average depth of Lake Superior?
What term is used to describe the boundary where fresh and saltwater mix in the lower Mississippi River?
Which city is located on the western shore of Lake Superior?
Which of the following is a significant environmental challenge facing the Mississippi River?
Which of the following is the largest island in Lake Superior?
Which U.S. National Scenic Byway follows the Mississippi River for 3,000 miles?
Which of the following is NOT one of the Great Lakes?
Which Great Lake is the largest by surface area?
Which of the following states borders Lake Erie?
Which is the smallest of the Great Lakes by surface area?
Lake Michigan is unique among the Great Lakes because it is entirely located within which country?
Which river flows into Lake Ontario?